Rename pixelFormatBpsAVI to pix_fmt_bps_avi and pixelFormatBpsMOV to
[libav.git] / Changelog
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
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5version <next>:
6
7- PB-frame decoding for H.263
b11163c8 8- deprecated vhook subsystem removed
3444c914 9- deprecated old scaler removed
616e899c 10- VQF demuxer
b3b5946c 11- Alpha channel scaler
effcedf7 12- PCX encoder
9edfaf3c 13- RTP packetization of H.263
08e696c0 14- RTP packetization of AMR
e6327fba 15- RTP depacketization of Vorbis
e9356be5 16- CorePNG decoding support
9189d7eb 17- Cook multichannel decoding support
276f8e2b 18- introduced avlanguage helpers in libavformat
f0b19bd3 19- 8088flex TMV demuxer and decoder
5f1ac36d 20- per-stream language-tags extraction in asfdec
ca0bb1c4 21- V210 decoder and encoder
de08ebe3 22- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 23- QCP demuxer
cbfe5bee 24- SoX native format muxer and demuxer
0b175caa 25- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 26- DPX image decoder
c63ea92b 27- Electronic Arts Madcow decoder
a4276ba2 28- DivX (XSUB) subtitle encoder
0a4a0aa7 29- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 30- experimental AAC encoder
c2f3eec4 31- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 32- RTMP support in libavformat
3106f489 33- noX handling for OPT_BOOL X options
740e89cf 34- Wave64 demuxer
ab1eff9c 35- IEC-61937 compatible Muxer
7bd47335 36- TwinVQ decoder
c58b82a2 37- Bluray (PGS) subtitle decoder
5dd3707b 38- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 39- WMA Pro decoder
5f14b565 40- Core Audio Format demuxer
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41- Atrac1 decoder
42- MD STUDIO audio demuxer
811e0fc2 43- RF64 support in WAV demuxer
99971952 44- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 45- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 46- IV8 demuxer
a3d995c1 47- CDG demuxer and decoder
4aaab0a3 48- R210 decoder
ce293510 49- Auravision Aura 1 and 2 decoders
e6565055 50- Deluxe Paint Animation playback system
d140b025 51- SIPR decoder
83ab7f18 52- Adobe Filmstrip muxer and demuxer
45aa9080 53- RTP depacketization of H.263
342c7dfd 54- Bink demuxer and audio/video decoders
4ebaec79 55- enable symbol versioning by default for linkers that support it
b9e06ddd 56- IFF PBM/ILBM bitmap decoder
084eb95f 57- concat protocol
5bebe94d 58- Indeo 5 decoder
556aa7a1 59- RTP depacketization of AMR
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60- WMA Voice decoder
61- ffprobe tool
4fe3edaa 62- AMR-NB decoder
6f5a3d0a 63- RTSP muxer
ed492b61 64- HE-AAC v1 decoder
bf354122 65- Kega Game Video (KGV1) decoder
59b4b540 66- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 67- RTP depacketization of Theora
b26708d5 68- HTTP Digest authentication
0f943ce6 69- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 70- Psygnosis YOP demuxer and video decoder
ca6e7708 71- spectral extension support in the E-AC-3 decoder
ac1c9564 72- unsharp video filter
910cde56 73- RTP hinting in the mov/3gp/mp4 muxer
de08ebe3 74
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75
76
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77version 0.5:
78
06ab9cff 79- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 80- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 81- IBM Ultimotion (ULTI) video decoder
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82- Sierra Online audio file demuxer and decoder
83- Apple QuickDraw (qdrw) video decoder
22052247 84- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 85- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 86- Miro VideoXL (VIXL) video decoder
b06b45c4 87- H.261 video encoder
acfd8f0f 88- QPEG video decoder
353147ed 89- Nullsoft Video (NSV) file demuxer
13dfd2b9 90- Shorten audio decoder
9c7fb608 91- LOCO video decoder
115329f1 92- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 93- Winnov WNV1 video decoder
589f8220 94- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 95- Indeo 2 video decoder
b81f8949 96- Fraps FPS1 video decoder
e0db8cfb 97- Snow video encoder/decoder
af4ca324 98- Sonic audio encoder/decoder
108ab268 99- Vorbis audio decoder
af4ca324 100- Macromedia ADPCM decoder
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101- Duck TrueMotion 2 video decoder
102- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 103- H.264 custom quantization matrices support
a8289180 104- ffserver fixed, it should now be usable again
8d1018bf 105- QDM2 audio decoder
8a2d410e 106- Real Cooker audio decoder
bf3027c8 107- TrueSpeech audio decoder
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108- WMA2 audio decoder fixed, now all files should play correctly
109- RealAudio 14.4 and 28.8 decoders fixed
108ab268 110- JPEG-LS decoder
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111- build system improvements
112- tabs and trailing whitespace removed from the codebase
108ab268 113- CamStudio video decoder
f11288da 114- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 115- ADTS AAC file reading and writing
ea395e8c 116- Creative VOC file reading and writing
4e114829 117- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 118- Zip Motion Blocks Video decoder
58cf42fa 119- improved Theora/VP3 decoder
8a2d410e 120- True Audio (TTA) decoder
26376701 121- AVS demuxer and video decoder
108ab268 122- JPEG-LS encoder
348efc18 123- Smacker demuxer and decoder
dfca23e3 124- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 125- KMVC decoder
58cf42fa 126- MPEG-2 intra VLC support
2d974017 127- MPEG-2 4:2:2 encoder
0919e788 128- Flash Screen Video decoder
cc0bc648 129- GXF demuxer
6a09487e 130- Chinese AVS decoder
43dcf590 131- GXF muxer
07bf2af8 132- MXF demuxer
b394e39a 133- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 134- MacIntel support
8ac17293 135- AVISynth support
eb57c889 136- VMware video decoder
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137- VP5 video decoder
138- VP6 video decoder
730581f3 139- WavPack lossless audio decoder
3689cf16 140- Targa (.TGA) picture decoder
108ab268 141- Vorbis audio encoder
dc56e0de 142- Delphine Software .cin demuxer/audio and video decoder
29f86228 143- Tiertex .seq demuxer/video decoder
f7bc5837 144- MTV demuxer
716222db 145- TIFF picture encoder and decoder
06d392a7 146- GIF picture decoder
58cf42fa 147- Intel Music Coder decoder
6a7d2c3d 148- Zip Motion Blocks Video encoder
185c7b6b 149- Musepack decoder
8adc51f2 150- Flash Screen Video encoder
150d2772 151- Theora encoding via libtheora
52548eee 152- BMP encoder
039cd4a7 153- WMA encoder
346a655d 154- GSM-MS encoder and decoder
01ca9ac3 155- DCA decoder
33a0dd37 156- DXA demuxer and decoder
52b6bad2 157- DNxHD decoder
efb0c399 158- Gamecube movie (.THP) playback system
a5fbe001 159- Blackfin optimizations
9a0ddd09 160- Interplay C93 demuxer and video decoder
1e6c6759 161- Bethsoft VID demuxer and video decoder
8e952e4d 162- CRYO APC demuxer
10e26bc7 163- Atrac3 decoder
b46d68c6 164- V.Flash PTX decoder
58cf42fa 165- RoQ muxer, RoQ audio encoder
ad39f1a7 166- Renderware TXD demuxer and decoder
4d5588cf 167- extern C declarations for C++ removed from headers
82e60541 168- sws_flags command line option
ddcf4b5d 169- codebook generator
03e3e765 170- RoQ video encoder
d3b7406c 171- QTRLE encoder
d22e8442 172- OS/2 support removed and restored again
6ea67bbb 173- AC-3 decoder
58cf42fa 174- NUT muxer
108ab268 175- additional SPARC (VIS) optimizations
e09f7d61 176- Matroska muxer
58cf42fa 177- slice-based parallel H.264 decoding
bf4a1f17 178- Monkey's Audio demuxer and decoder
8787d837 179- AMV audio and video decoder
fc4cbc16 180- DNxHD encoder
d6c52130 181- H.264 PAFF decoding
636b13c5 182- Nellymoser ASAO decoder
66f7679c 183- Beam Software SIFF demuxer and decoder
f9def9cc 184- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 185- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 186- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 187- The "device" muxers and demuxers are now in a new libavdevice library
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188- PC Paintbrush PCX decoder
189- Sun Rasterfile decoder
920d3609 190- TechnoTrend PVA demuxer
77c1d04d 191- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 192- AVM2 (Flash 9) SWF muxer
9dc92a38 193- QT variant of IMA ADPCM encoder
39fc859e 194- VFW grabber
58cf42fa 195- iPod/iPhone compatible mp4 muxer
a7129de5 196- Mimic decoder
0f3444e1 197- MSN TCP Webcam stream demuxer
86b3cf7c 198- RL2 demuxer / decoder
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199- IFF demuxer
200- 8SVX audio decoder
b00b15be 201- non-recursive Makefiles
b64c096b 202- BFI demuxer
74118c07 203- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 204- BFI video decoder
ea662534 205- OMA demuxer
b517af05 206- MLP/TrueHD decoder
e1c74782 207- Electronic Arts CMV decoder
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208- Motion Pixels Video decoder
209- Motion Pixels MVI demuxer
e44bbf62 210- removed animated GIF decoder/demuxer
51c3861e 211- D-Cinema audio muxer
cfc78718 212- Electronic Arts TGV decoder
833e90dd 213- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 214- AAC decoder
eb6fc557 215- floating point PCM encoder/decoder
cedebde1 216- MXF muxer
108ab268 217- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 218- E-AC-3 support added to AC-3 decoder
755ba886 219- Nellymoser ASAO encoder
0c86f89a 220- ASS and SSA demuxer and muxer
d8d12c15 221- liba52 wrapper removed
0ac1dc6f 222- SVQ3 watermark decoding support
f6958006 223- Speex decoding via libspeex
42b30357 224- Electronic Arts TGQ decoder
108ab268 225- RV40 decoder
73b458e3 226- QCELP / PureVoice decoder
108ab268 227- RV30 decoder
7906f3ca 228- hybrid WavPack support
7eb68edb 229- R3D REDCODE demuxer
115d095e 230- ALSA support for playback and record
d8964f3a 231- Electronic Arts TQI decoder
9a77d59a 232- OpenJPEG based JPEG 2000 decoder
58cf42fa 233- NC (NC4600) camera file demuxer
865780ae 234- Gopher client support
bd3f81f3 235- MXF D-10 muxer
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236- generic metadata API
237
9d53d58e 238
0ca3e336 239
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240version 0.4.9-pre1:
241
4fa1c4fa 242- DV encoder, DV muxer
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243- Microsoft RLE video decoder
244- Microsoft Video-1 decoder
070ed1bc 245- Apple Animation (RLE) decoder
42cad81a 246- Apple Graphics (SMC) decoder
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247- Apple Video (RPZA) decoder
248- Cinepak decoder
249- Sega FILM (CPK) file demuxer
42cad81a 250- Westwood multimedia support (VQA & AUD files)
4120a53a 251- Id Quake II CIN playback support
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252- 8BPS video decoder
253- FLIC playback support
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254- RealVideo 2.0 (RV20) decoder
255- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 256- Sierra VMD demuxer and video decoder
1defd2a8 257- MSZH and ZLIB decoder support
3b64893d 258- SVQ1 video encoder
1defd2a8 259- AMR-WB support
e0db8cfb 260- PPC optimizations
1defd2a8 261- rate distortion optimal cbp support
e0db8cfb 262- rate distorted optimal ac prediction for MPEG-4
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263- rate distorted optimal lambda->qp support
264- AAC encoding with libfaac
265- Sunplus JPEG codec (SP5X) support
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266- use Lagrange multipler instead of QP for ratecontrol
267- Theora/VP3 decoding support
1defd2a8 268- XA and ADX ADPCM codecs
e0db8cfb 269- export MPEG-2 active display area / pan scan
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270- Add support for configuring with IBM XLC
271- floating point AAN DCT
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272- initial support for zygo video (not complete)
273- RGB ffv1 support
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274- new audio/video parser API
275- av_log() system
276- av_read_frame() and av_seek_frame() support
277- missing last frame fixes
278- seek by mouse in ffplay
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279- noise reduction of DCT coefficients
280- H.263 OBMC & 4MV support
281- H.263 alternative inter vlc support
282- H.263 loop filter
283- H.263 slice structured mode
284- interlaced DCT support for MPEG-2 encoding
1defd2a8 285- stuffing to stay above min_bitrate
e0db8cfb 286- MB type & QP visualization
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287- frame stepping for ffplay
288- interlaced motion estimation
289- alternate scantable support
290- SVCD scan offset support
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291- closed GOP support
292- SSE2 FDCT
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293- quantizer noise shaping
294- G.726 ADPCM audio codec
295- MS ADPCM encoding
296- multithreaded/SMP motion estimation
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297- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
298- multithreaded/SMP decoding for MPEG-2
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299- FLAC decoder
300- Metrowerks CodeWarrior suppport
e0db8cfb 301- H.263+ custom pcf support
1defd2a8 302- nicer output for 'ffmpeg -formats'
e0db8cfb 303- Matroska demuxer
1defd2a8 304- SGI image format, encoding and decoding
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305- H.264 loop filter support
306- H.264 CABAC support
f073a393 307- nicer looking arrows for the motion vector visualization
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308- improved VCD support
309- audio timestamp drift compensation
e0db8cfb 310- MPEG-2 YUV 422/444 support
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311- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
312- better image scaling
e0db8cfb 313- H.261 support
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314- correctly interleave packets during encoding
315- VIS optimized motion compensation
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316- intra_dc_precision>0 encoding support
317- support reuse of motion vectors/MB types/field select values of the source video
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318- more accurate deblock filter
319- padding support
320- many optimizations and bugfixes
055dc116 321- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 322
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323
324
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325version 0.4.8:
326
e0db8cfb 327- MPEG-2 video encoding (Michael)
d9d8910b 328- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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329- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
330 and Mario Brito)
331- Xan DPCM audio decoder (Mario Brito)
186447f8 332- Interplay MVE playback subsystem (Mike Melanson)
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333- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
334
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335
336
b17e9c99 337version 0.4.7:
e07702ba 338
e0db8cfb 339- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 340 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 341- current version now also compiles with older GCC (Fabrice)
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342- 4X multimedia playback system including 4xm file demuxer (Mike
343 Melanson), and 4X video and audio codecs (Michael)
344- Creative YUV (CYUV) decoder (Mike Melanson)
345- FFV1 codec (our very simple lossless intra only codec, compresses much better
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346 than HuffYUV) (Michael)
347- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
348- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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349 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
350- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 351 for multiplatform support (Fabrice)
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352- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
353 by anonymous
354- AMR format has been added (Johannes Carlsson)
e0db8cfb 355- 3GP support has been added (Johannes Carlsson)
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356- VP3 codec has been added (Mike Melanson)
357- more MPEG-1/2 fixes
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358- better multiplatform support, MS Visual Studio fixes (various)
359- AltiVec optimizations (Magnus Damn and others)
e07702ba 360- SH4 processor support has been added (BERO)
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361- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
362- VOB streaming support (Brian Foley)
363- better MP3 autodetection (Andriy Rysin)
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364- qpel encoding (Michael)
365- 4mv+b frames encoding finally fixed (Michael)
366- chroma ME (Michael)
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367- 5 comparison functions for ME (Michael)
368- B-frame encoding speedup (Michael)
369- WMV2 codec (unfinished - Michael)
d3d10087 370- user specified diamond size for EPZS (Michael)
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371- Playstation STR playback subsystem, still experimental (Mike and Michael)
372- ASV2 codec (Michael)
373- CLJR decoder (Alex)
d3d10087 374
e0db8cfb 375.. And lots more new enhancements and fixes.
e07702ba 376
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377
378
d3d10087 379version 0.4.6:
739d6efa 380
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381- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
382 from scratch
383- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
384- fix quantization bug in AC3 encoder
385- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
386- added prototype ffplay program
387- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
388- bug fix on MCBPC tables of H.263 (Juanjo)
389- bug fix on DC coefficients of H.263 (Juanjo)
390- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
391- now we can decode H.263 streams found in QuickTime files (Juanjo)
392- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 393- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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394- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
395- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 396- added first regression tests
e0db8cfb 397- added MPEG-2 TS demuxer
a31e01c5 398- new demux API for libav
6d291820 399- more accurate and faster IDCT (Michael)
e0db8cfb 400- faster and entropy-controlled motion search (Michael)
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401- two pass video encoding (Michael)
402- new video rate control (Michael)
403- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
404- great performance improvement of video encoders and decoders (Michael)
405- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 406- high quality encoding mode: tries all macroblock/VLC types (Michael)
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407- added DV video decoder
408- preliminary RTP/RTSP support in ffserver and libavformat
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409- H.263+ AIC decoding/encoding support (Juanjo)
410- VCD MPEG-PS mode (Juanjo)
411- PSNR stuff (Juanjo)
412- simple stats output (Juanjo)
413- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 414
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415
416
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417version 0.4.5:
418
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419- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
420- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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421- added configure system (actually a small shell script)
422- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 423 Michael Hipp (temporary solution - waiting for integer only
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424 decoder)
425- fixed VIDIOCSYNC interrupt
426- added Intel H.263 decoding support ('I263' AVI fourCC)
427- added Real Video 1.0 decoding (needs further testing)
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428- simplified image formats again. Added PGM format (=grey
429 pgm). Renamed old PGM to PGMYUV.
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430- fixed msmpeg4 slice issues (tell me if you still find problems)
431- fixed OpenDivX bugs with newer versions (added VOL header decoding)
432- added support for MPlayer interface
433- added macroblock skip optimization
434- added MJPEG decoder
435- added mmx/mmxext IDCT from libmpeg2
0c1e384c 436- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 437 <celer at shell.scrypt.net>)
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438- added pixel format conversion layer (e.g. for MJPEG or PPM)
439- added deinterlacing option
440- MPEG-1/2 fixes
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441- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
442- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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443- Windows porting of file converter
444- added MJPEG raw format (input/ouput)
445- added JPEG image format support (input/output)
de6d9b64 446
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447
448
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449version 0.4.4:
450
451- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 452 <bjorn.e.lindgren at telia.com>).
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453- added MPEG demuxer (MPEG-1 and 2 compatible).
454- added ASF demuxer
455- added prototype RM demuxer
456- added AC3 decoding (done with libac3 by Aaron Holtzman)
457- added decoding codec parameter guessing (.e.g. for MPEG, because the
458 header does not include them)
459- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
460 play them (only tested video)
461- fixed H.263 white bug
462- fixed phase rounding in img resample filter
463- add MMX code for polyphase img resample filter
464- added CPU autodetection
465- added generic title/author/copyright/comment string handling (ASF and RM
466 use them)
de6d9b64 467- added SWF demux to extract MP3 track (not usable yet because no MP3
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468 decoder)
469- added fractional frame rate support
de6d9b64 470- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 471 segfault)
de6d9b64 472
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473
474
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475version 0.4.3:
476
dd5cf2ad 477- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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478- fixed raw yuv output
479- added motion rounding support in MPEG-4
480- fixed motion bug rounding in MSMPEG4
481- added B-frame handling in video core
482- added full MPEG-1 decoding support
483- added partial (frame only) MPEG-2 support
de6d9b64 484- changed the FOURCC code for H.263 to "U263" to be able to see the
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485 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
486 this +codec ;) (JuanJo).
487- Halfpel motion estimation after MB type selection (JuanJo)
488- added pgm and .Y.U.V output format
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489- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
490 output.
491- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 492 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 493 instead of a protocol)
de6d9b64 494
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495
496
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497version 0.4.2:
498
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499- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
500 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 501 missing. MSMPEG4 support is complete.
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502- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
503 can decode ffmpeg MPEGs :-)).
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504- added libavcodec API documentation (see apiexample.c).
505- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 506 greenish)
de6d9b64 507- added support for non clipped motion vectors (decoding only)
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508 and image sizes non-multiple of 16
509- added support for AC prediction (decoding only)
510- added file overwrite confirmation (can be disabled with -y)
511- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 512
0ca3e336 513
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514version 0.4.1:
515
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516- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
517 of AVI and ASF to DIV3.
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518- added -me option to set motion estimation method
519 (default=log). suppressed redundant -hq option.
520- added options -acodec and -vcodec to force a given codec (useful for
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521 AVI for example)
522- fixed -an option
523- improved dct_quantize speed
524- factorized some motion estimation code
de6d9b64 525
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526
527
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528version 0.4.0:
529
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530- removing grab code from ffserver and moved it to ffmpeg. Added
531 multistream support to ffmpeg.
de6d9b64 532- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 533 URL)
de6d9b64 534- added high quality image resize code with polyphase filter (need
56cc85a0 535 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 536- added multi live feed support in ffserver
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537- suppressed master feature from ffserver (it should be done with an
538 external program which opens the .ffm url and writes it to another
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539 ffserver)
540- added preliminary support for video stream parsing (WAV and AVI half
541 done). Added proper support for audio/video file conversion in
de6d9b64 542 ffmpeg.
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543- added preliminary support for video file sending from ffserver
544- redesigning I/O subsystem: now using URL based input and output
545 (see avio.h)
546- added WAV format support
547- added "tty user interface" to ffmpeg to stop grabbing gracefully
548- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 549 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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550- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
551- added new motion estimation algorithms, log and phods (Juanjo)
552- changed directories: libav for format handling, libavcodec for
553 codecs
de6d9b64 554
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555
556
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557version 0.3.4:
558
e0db8cfb 559- added stereo in MPEG audio encoder
de6d9b64 560
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561
562
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563version 0.3.3:
564
565- added 'high quality' mode which use motion vectors. It can be used in
566 real time at low resolution.
567- fixed rounding problems which caused quality problems at high
e0db8cfb 568 bitrates and large GOP size
de6d9b64 569
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570
571
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572version 0.3.2: small fixes
573
e0db8cfb 574- ASF fixes
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575- put_seek bug fix
576
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577
578
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579version 0.3.1: added avi/divx support
580
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581- added AVI support
582- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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583- added sound for flash format (not tested)
584
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585
586
de6d9b64 587version 0.3: initial public release